20761335

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3877}}^1$

素因数の和:3912

約数の個数: 48

約数和(自身を含む): 43557696

約数和(自身を除く): 22796361

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 3877, 5355, 11631, 19385, 27139, 34893, 58155, 65909, 81417, 135695, 174465, 197727, 244251, 329545, 407085, 461363, 593181, 988635, 1221255, 1384089, 2306815, 2965905, 4152267, 6920445, 20761335]

約数ペア:

[(1, 20761335), (3, 6920445), (5, 4152267), (7, 2965905), (9, 2306815), (15, 1384089), (17, 1221255), (21, 988635), (35, 593181), (45, 461363), (51, 407085), (63, 329545), (85, 244251), (105, 197727), (119, 174465), (153, 135695), (255, 81417), (315, 65909), (357, 58155), (595, 34893), (765, 27139), (1071, 19385), (1785, 11631), (3877, 5355)]